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| author | Namhyung Kim <namhyung@kernel.org> | 2021-07-19 15:31:50 -0700 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2021-08-02 10:09:05 -0300 |
| commit | 0ae03893623dd1ddf17c1210265e5d7f9e2f3ed6 (patch) | |
| tree | 2dc1ca5bf970e511191e025c1c4da4521a803622 /tools/perf/util/header.h | |
| parent | 2681bd85a4b92788e265934d0d76bd56b5b08d16 (diff) | |
| download | lwn-0ae03893623dd1ddf17c1210265e5d7f9e2f3ed6.tar.gz lwn-0ae03893623dd1ddf17c1210265e5d7f9e2f3ed6.zip | |
perf tools: Pass a fd to perf_file_header__read_pipe()
Currently it unconditionally writes to stdout for repipe. But perf
inject can direct its output to a regular file. Then it needs to
write the header to the file as well.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20210719223153.1618812-3-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/header.h')
| -rw-r--r-- | tools/perf/util/header.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h index ae6b1cf19a7d..c9e3265832d9 100644 --- a/tools/perf/util/header.h +++ b/tools/perf/util/header.h @@ -115,7 +115,7 @@ struct perf_session; struct perf_tool; union perf_event; -int perf_session__read_header(struct perf_session *session); +int perf_session__read_header(struct perf_session *session, int repipe_fd); int perf_session__write_header(struct perf_session *session, struct evlist *evlist, int fd, bool at_exit); |